EP4421908A4 - Composite positive electrode material and manufacturing method therefor, positive electrode film, battery and electrical device - Google Patents

Composite positive electrode material and manufacturing method therefor, positive electrode film, battery and electrical device

Info

Publication number
EP4421908A4
EP4421908A4 EP23798878.7A EP23798878A EP4421908A4 EP 4421908 A4 EP4421908 A4 EP 4421908A4 EP 23798878 A EP23798878 A EP 23798878A EP 4421908 A4 EP4421908 A4 EP 4421908A4
Authority
EP
European Patent Office
Prior art keywords
positive electrode
battery
manufacturing
electrical device
method therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23798878.7A
Other languages
German (de)
French (fr)
Other versions
EP4421908A1 (en
Inventor
Fei Lv
Dexian Chen
Ning Xu
Mengtao Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin B&M Science and Technology Co Ltd
Original Assignee
Tianjin B&M Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin B&M Science and Technology Co Ltd filed Critical Tianjin B&M Science and Technology Co Ltd
Publication of EP4421908A1 publication Critical patent/EP4421908A1/en
Publication of EP4421908A4 publication Critical patent/EP4421908A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562Solid materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/021Physical characteristics, e.g. porosity, surface area
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP23798878.7A 2022-12-28 2023-08-29 Composite positive electrode material and manufacturing method therefor, positive electrode film, battery and electrical device Pending EP4421908A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211695864.0A CN116093324A (en) 2022-12-28 2022-12-28 Composite positive electrode material and preparation method thereof, positive electrode sheet, battery and electrical device
PCT/CN2023/115479 WO2024139321A1 (en) 2022-12-28 2023-08-29 Composite positive electrode material and preparation method therefor, positive electrode sheet, battery, and electric device

Publications (2)

Publication Number Publication Date
EP4421908A1 EP4421908A1 (en) 2024-08-28
EP4421908A4 true EP4421908A4 (en) 2025-08-27

Family

ID=86203749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23798878.7A Pending EP4421908A4 (en) 2022-12-28 2023-08-29 Composite positive electrode material and manufacturing method therefor, positive electrode film, battery and electrical device

Country Status (3)

Country Link
EP (1) EP4421908A4 (en)
CN (1) CN116093324A (en)
WO (1) WO2024139321A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116093324A (en) * 2022-12-28 2023-05-09 天津巴莫科技有限责任公司 Composite positive electrode material and preparation method thereof, positive electrode sheet, battery and electrical device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210038075A (en) * 2019-09-30 2021-04-07 주식회사 엘지화학 Positive electrode material for lithium secondary battery, method for preparing the same and lithium secondary battery including the positive electrode material
WO2022056039A1 (en) * 2020-09-08 2022-03-17 Quantumscape Battery, Inc. Cathode coating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112864385A (en) * 2019-11-27 2021-05-28 深圳市贝特瑞纳米科技有限公司 Ternary cathode material, preparation method thereof and lithium ion battery
PL3968430T3 (en) * 2020-03-27 2024-02-19 Contemporary Amperex Technology Co., Limited Secondary battery and apparatus containing the secondary battery
CN113707859B (en) * 2021-08-23 2023-02-24 蜂巢能源科技有限公司 Element-doped and double-layer-coated positive electrode material, preparation method and lithium battery
CN114678500B (en) * 2022-03-21 2023-04-25 北京卫蓝新能源科技有限公司 Composite coated nickel-rich positive electrode material and preparation method and application thereof
CN115117299B (en) * 2022-07-28 2025-05-27 广东邦普循环科技有限公司 A ternary positive electrode material and preparation method thereof, positive electrode sheet and battery
CN116093324A (en) * 2022-12-28 2023-05-09 天津巴莫科技有限责任公司 Composite positive electrode material and preparation method thereof, positive electrode sheet, battery and electrical device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210038075A (en) * 2019-09-30 2021-04-07 주식회사 엘지화학 Positive electrode material for lithium secondary battery, method for preparing the same and lithium secondary battery including the positive electrode material
WO2022056039A1 (en) * 2020-09-08 2022-03-17 Quantumscape Battery, Inc. Cathode coating
US20230343954A1 (en) * 2020-09-08 2023-10-26 Quantumscape Battery, Inc. Cathode coating

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024139321A1 *

Also Published As

Publication number Publication date
WO2024139321A1 (en) 2024-07-04
CN116093324A (en) 2023-05-09
EP4421908A1 (en) 2024-08-28

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Ipc: H01M 4/36 20060101AFI20250718BHEP

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